BUSBAR SOLUTIONS TECHNOLOGY FOR ELECTRICAL ENERGY
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1 BUSBAR SOLUTIONS TECHNOLOGY FOR ELECTRICAL ENERGY A Phoenix Mecano Partner Company
2 CONTENTS: General information about the solid cast resin insulated bus bars 3 Field of application 3 Range of Electrical Application 3 2 SOLID INSULATED BUS BAR TYPE TPL Intended use 4 Features of TPL 4 Technical specifcations 4 Manufacture of solid insulated bus bar type TPL 4 TPL connecting sleeves 5 Solid insulated bus bar type TPL ing system 6 TPL eproof all penetrations 7 Earthing of the bus bar 7 Connection to equipment 8 Additional equipment and accessories 8 Type tests 9 Additional equipment and accessories 9 The standard set of equipment 9 CAST-RESIN BUS BAR TYPE TKL Intended use 10 Operation conditions 10 Features of TKL 10 Technical speci cations 10 Production lines of the bus bar 10 Connection methods of elements 12 Electric connection methods 12 Additional equipment and accessories 12 Type tests 13 Installation methods 13 The standard set of equipment 13 Connection to equipment 14 uality assurance and certi cation of cast-resin bus bar type TKL and solid insulated bus bar type TPL Fire safety 15 Our core business 15 15
3 GENERAL INFORMATION CAST-RESIN BUS BAR TYPE TKL AND SOLID INSULATED BUS BAR TYPE TPL FIELD OF APPLICATION: POWER PLANTS Generator Generator circuit-breaker Transformer Switchgear Switchgear Auxiliary circuits SUBSTATIONS Transformer Current limiting reactor Switchgear Switchgear Switchgear INDUSTRIAL MANUFACTURING Petrochemical, Chemical, Metallurgical, Pulp-and-paper, etc. For low and medium voltage electrical distribution CIVIL ENGINEERING OBJECTS High-rise residential and office buildings, Hospitals, Hotels, Casinos, Retail and entertainment centers, etc. 3 OFFSHORE both oil and gas and wind park substations Transformer Switchgear Switchgear Switchgear Auxiliary transformer and other equipment RANGE OF ELECTRICAL APPLICATION TPL bus bars TKL bus bars Type of insulation Epoxy Resin Impregnated Paper Cast resin Nominal voltage AC, kv Up to 36 Up to 24 Nominal current AC, A Up to 12,000 Up to 12,000 Nominal voltage DC, kv Up to 60 Up to 33 Nominal current DC, A Up to 14,000 Up to 18,000 Operating ambient temperature, С From -60 to +55 C From -60 to +55 C Degree of protection Up to IP68 inclusive High chemical resistance Yes Yes
4 SOLID INSULATED BUS BAR TYPE TPL INTENDED USE The solid insulated bus bar type TPL is ideal for medium & low voltage safety critical projects. TPL is both electrically and geometrically made to measure according to project specifications. Up to 36 kv & A per single phase is possible. For shorter generator connections, where space is limited, it is possible to provide up to 36 kv & 12,000 A. Here, we use 2 X bus bars per phase. 4 FEATURES of TPL Suitable for outdoor & indoor applications Ambient temperature from -60 to +55 C Very high degree of protection up to IP68, suitable for marine and wet environments High resistance to ultraviolet, chemicals and aggressive environments Touch-safe Maintenance-free High degree of fire withstand Small overall dimensions and bending radius No phase to phase short circuit possible Partial discharge-free according to IEC Modular distribution kit, simply bolted together with no special tools required Natural (air) cooling, Very low power losses (I²R) Lowest lifecycle costs for end clients TECHNICAL SPECIFICATIONS Low voltage systems: АС DC Nominal voltage Up to 1,2 kv Up to 2 kv Nominal current Up to 12,000 А Up to 14,000 А Medium voltage systems: АС DC Nominal voltage Up to 36 kv Up to 60 kv Nominal current Up to 12,000 А Up to 14,000 А MANUFACTURE OF SOLID INSULATED BUS BAR TYPE TPL VOID-FREE, PARTIAL DISCHARGE-FREE ACCORDING TO IEC TPL can be manufactured in lengths up to 10 meters long. The product is cured in an autoclave under vacuum and heat. The dimensions of the autoclave are 10 m 2 m 2 m. Almost any geometric shape is possible below are some examples: y z Straight element L-element Z-element Z-element х Pre-manufacture all raw materials quality checked
5 THE SOLID INSULATED BUS BAR TYPE TPL Curing in Autoclave is computer monitored Drying process Impregnation process Insulation curing and hardening Controlled cooling Electrical Testing of Bus bars & connecting sleeves After manufacture, each insulated component is high voltage tested in our test laboratory Power frequency test Partial discharge test, according to IEC Capacitance measurement Tan delta measurement Internal Quality Checks Complete project design Marking, preservation, packaging and completeness checks Figure 1. The bus bar element s construction drawing 1. Conductor (Al, Cu) 2. Capacitive grading 3. Epoxy-impregnated paper wrapping 4. Earth layer 5. Flat terminal 5 The basic conductor tube (1) can be aluminum or copper and either solid or hollow, depending upon amperage. Then the conductor tube is wrapped with crepe paper and layers of semi conducting paper (2) in order to provide the capacitive grading layers. During manufacture under vacuum, epoxy is pulled through to ensure a voidfree, partial discharge-free composite dielectric (3). The embedded earth layer ensures that the system is touch safe whilst operational (4). To make connections easy between Bus bar bus bar and bus bar other equipment, there are DIN fat terminals (5) at the ends of each element. For low voltage solid insulated bus bar type TPL solutions up to 1.2 kv there are no capacitive grading layers and no earth layer required. TPL CONNECTING SLEEVES Bus bars have capacitive control therefore there is a red grading length on the ends. Separate bus bar elements are connected to each other by use of bus expansion compensators which are exiblecopper laminate connections. These allow for thermal expansion and contraction. They also allow build tolerances of up to ±50 mm per connection. The connection is then enclosed by a fully capacitively graded insulated connecting sleeve which has pressure-tight anges on the both side. In order to balance the potential between the current carrying conductor and the internal surface of the connecting sleeve a metal ring with contact spring are provided (3).
6 Connecting sleeve: Figure 2. The bus bar elements connection Connecting sleeve: а) indoor application: Figure 2. The bus bar elements connection а) indoor application: b) outdoor application: 10 b) outdoor application: Busbar element 2. Connecting sleeve 3. Contact spring Flexible Busbar element Flat Connecting washer sleeve 3. Contact spring 4. Flexible 5. Flat washer 6 6. Sealing ring. alf ange 8. The connecting sleeve s earthing Bellows Sealing ring 10.. Clamp alf ange 8. The connecting sleeve s earthing 9. Bellows 10. Clamp 8 6 SOLID INSULATED BUS BAR TYPE TPL FIXING SYSTEM e use a special computer program to dimension the xing system, taking into account short circuit current, natural frequency and weight. The distance between the mounting places of the bus bar to the walls, ceiling or oor is calculated, prohibited distances are also calculated. Fixation of the bus bar (Figure 3) to the walls, ceiling or oors is carried out by means of polyamide clamps (1), aluminum x pro les(2), xing angles (3) and hardware. Mounting to a wall allows both horizontal and vertical installation of the bus bar. e can also mount to the oor where the project requires this. Figure 3. Elements of the bus bar mounting A
7 THE SOLID INSULATED BUS BAR TYPE TPL TPL FIREPROOF WALL PENETRATIONS T is compatible with any reproof penetration which our clients r equire for their projects. In the example below the penetrations are lled with a special noncombustible material and then closed using metal plates. 7 EARTHING OF THE BUS BAR The bus bar equipment is individually earthed as follows: the bus bars the connecting sleeves and the xing system. Then, it can be connected to the main earth as shown in example photograph below.
8 CONNECTION TO EQUIPMENT ccording to individual pro ect speci cations and requirements, we select the optimal bus bar path to ensure the safest shortest route. Connections to other equipment can be from the top, the side, or underneath. Generator and transformer connections are enabled using high e ible copper connections. Protection bo es special anges can be supplied where necessary. 8 ADDITIONAL EQUIPMENT AND ACCESSORIES Where we connect switchgears using TPL, we can also supply current and voltage transformers, disconnecting switches, overvoltage limiters. We can also supply bus bar cable connections and accessories.
9 THE SOLID INSULATED BUS BAR TYPE TPL TYPE TESTS In addition to in-house routine testing, our products have undergone rigorous type testing as follows: Heat tests; Tests for stability under continuous currents of a short-circuit; Tests for resistance to mechanical factors of the environment; Tests for mechanical stability; Water-proof and dust-proof tests; Tests for heat resistance and frost resistance during the operation, transportation and storage; Tests of the electric strength of insulation; Test for the intensity of partial discharges; Seismic stability tests and other tests. ADDITIONAL EQUIPMENT AND ACCESSORIES Depending on the speci cation requirements, TPL bus bar can be completed with an additional electric equipment: Current transformers Voltage transformers Disconnecting switches Tap-off boxes for the cable connection Overvoltage limiters Automatic circuit breakers Tap-offs for other rated currents THE STANDARD SET OF EQUIPMENT TPL modular distribution kit is delivered on site complete with all components/documents required for installation. The delivery package is created according to design documentation and rigorously checked prior to dispatch. The list below shows the main elements. 9 HARDWARE includes: Bus bar elements; Сonnecting sleeves; Flexible or high exiblebus expansion compensators for connection of elements to each other and connections of the bus bar to equipment; Fixation system, including aluminum x-pro les and hardware; Еarthing cable; Nuts and bolts; Warranty card; Test reports. SOFTWARE includes: Packing list; The set of assembly factory drawings; Installation instruction manual; Operation manual; Test reports for each element; Technical passport. PACKING According to the design documentation, bus bars and components are packed and fastened into wooden boxes. The bus bar elements are fastened on pallets unwrapped, however, the ends with capacitive grading are protectively wrapped. Separately delivered small size assembly units, details and fasteners are packed into wooden boxes according to the design documentation.
10 CAST-RESIN BUS BAR TYPE TKL 10 INTENDED USE The compact dimensioned cast resin bus bar TKL is intended for connections in AC & DC circuits. For AC circuits the voltage range is up to 24 kv and rated current is up to 12,000 A, frequency can be 50 or 60 Hz. For DC circuits the voltage range is up to 33 kv, rated current up to 18,000 A. OPERATING CONDITIONS TKL is intended for operation between ambient temperatures ranging from -60 to +55 C The lifespan of the product is 50 years. With degree of protection up to IP68, its an optimal solution for marine, offshore and wet environments. The very high re withstand >3 hours means that it is perfect for service entrance and risers in civil constructions. TKL has extreme resistance to chemicals & aggressive atmospheres. TKL can be easily modi ed and extended as the facility grows/needs change. FEATURES OF TKL Suitable for outdoor and indoor applications; Ambient temperature from -60 to +55 C; Very high degree of protection up to IP68, suitable for marine and wet environments; High resistance to ultraviolet, chemicals and aggressive environments; Maintenance-free; High degree of re withstand; Small overall dimensions and bending radius; No phase to phase short circuit possible; Partial discharge-free according to IEC 60137; Natural (air) cooling; Very low power losses (I²R); Lowest lifecycle costs for end clients. TECHNICAL SPECIFICATIONS E-Cu or E-Al conductors are embedded in a cast resin and inert ne particle, composite insulation material. The compound has excellent dielectric properties together with high mechanical strength. It is also extremely resistant to corrosive atmospheres. Modular design of prefabricated elements allows for ease of installation. The design of the Bus bar joints allows compensation of tolerances, each element can compensate between 10 mm - 20 mm. PRODUCTION LINES OF THE BUS BAR PRODUCTION LINES OF THE BUS BAR Cast-resin bus bar type TKL is manufactured for low and medium voltage systems. We use universal casting forms as well as simultaneous automated monitoring. This means we can produce an almost unlimited number of different elements for low and medium voltage systems. We can produce both standard and custom built solutions. The straight elements are made with a maximum length of up to 4 meters. The shaped elements are manufactured in various con gurations 2-shaped, T-shaped, with bends from 90 to 170, T-offs, elements with a double bend, custom elements, etc.
11 THE CAST-RESIN BUS BAR TYPE TKL Medium voltage systems: AC DC Nominal voltage Up to 24 kv Up to 33 kv Nominal current Up to 12,000 А Up to 18,000 А Low voltage systems: AC DC Nominal voltage Up to 1 kv Up to 1.5 kv Nominal current Up to 7,500 А Up to 10,000 А TKLH nominal voltage of up to 1 kv, rated currents up to 7,500 A. Copper or aluminum conductors (from 2 to 9), sealed in one housing made of a special compound. In the same housing a neutral and/ or a protective conductor (section of 50%, 100%, and 150%) can be placed. Bus bars are completed with holders for the bus bar support during the installation on the metal structures. Special assembly supports are provided. Protective screen TKLC rated voltage of up to 24 kv, rated currents up to 12,000 A. The air gaps are designed in to allow for natural cooling of the bus bar. Single or paired conductors can be used in the bus bar design. Bus bars are completed with a self-supporting screen, and holders for the bus bar support during the installation on the metal structures. Special assembly supports are also provided. 11 Medium voltage system are completed with a special mesh protective screen. Bus bars for outdoor installation are completed with a climate screen. Climate screen Examples of elements: Low voltage systems: Medium voltage Medium systems: voltage systems:
12 CONNECTION METHODS OF ELEMENTS The bus bar TKL consists of separate elements. Electrical connections elements sections are carried out by means of copper (aluminum) plates which have embedded nuts. These are tightened by using high-strength steel bolts with the correct torque applied, as de ned in the installation manual. After the assembly, the bolted connections are cast with the same compound with which the insulation material of the bus bar s elements is made, thereby providing the insulation continuity through the whole length of the route (3).. Aluminum pro le(for mounting of the bus bar and for the screen installation) 2. Aluminum or copper conductor 3. Cast connection 4. TKL bus bar element 5. Bolted connection 6. Air gaps for natural cooling 12 ELECTRIC CONNECTION METHODS Considering the variety of TKL element shapes it is possible to connect the cast bus bar to any electric equipment (from the top, side or underneath): Protective boxes may be used for protection of contact connections (degree of protection IP65 and greater). or the connection of the TKL bus bar to other electric equipment, bus exible connectors of various designs are used: Press-welded exibles igh- exible braids To compensate the linear changes caused by thermal expansion/ contraction, a special expansion element is supplied to be installed through each 35-40m of a direct route. ADDITIONAL EQUIPMENT AND ACCESSORIES Depending on the speci cation requirements, cast resin bus bar TKL can be completed with an additional electric equipment: 1. Current transformers 2. Voltage transformers 3. Disconnecting switches 4. Tap-off boxes with MCCB 5. Terminal elements for the cable connection 6. Overvoltage limiters 7. Automatic circuit breakers 8. Tap-offs for other rated currents
13 THE CAST-RESIN BUS BAR TYPE TKL TYPE TESTS In addition to in-house routine testing our products have undergone rigorous type testing as follows: Heat tests; Tests for stability under continuous currents of a short-circuit; Tests for resistance to mechanical factors of the environment; Tests for mechanical stability; Water-proof and dust-proof tests; Tests for heat resistance and frost resistance during the operation, transportation and storage; Tests of the electric strength of insulation; Test for the intensity of partial discharges; Seismic stability tests and other tests. INSTALLATION METHODS Cast-resin bus bar type TKL can be installed in the following variations, ceiling, oor, wall, both horizontal & vertical. 13 THE STANDARD SET OF EQUIPMENT HARDWARE includes: Cast-resin bus bar type TKL elements; Connection plates; Molds for casting the elements connection places during the installation; Fixation system; Additional options: A vacuum mixer with the drive (for medium voltage); Protective boxes; Accessories/additional equipment. SOFTWARE includes: Packing list; The set of assembly factory drawings; Installation instruction manual; Chemical components for compound preparation (during the installation); Flexible connectors; Earthing cable; Factory packaging (wooden pallets/boxes). Test reports for each element; Technical passport. The set of associated documentation is provided in English. PACKING According to the design documentation bus bars & components are packed and fastened into wooden boxes. Separately delivered small size assembly units, details and fasteners are packed into wooden boxes according to the design documentation.
14 CONNECTION TO EQUIPMENT CONNECTION TO EQUIPMENT applications encased in metal OutdoorOutdoor applications encased in metal for protection from the elements. for protection from the elements Indoor application with screening for protection. Indoor application with screening for protection. Indoor application mid-install before screening. Indoor application mid-install before screening.
15 QUALITY ASSURANCE AND CERTIFICATION OF CAST-RESIN BUS BAR TYPE TKL AND SOLID INSULATED BUS BAR TYPE TPL Certificates issued for TKL & TPL meet the requirements of ISO 9001:2008 TPL & TKL quality is ensured by means of close nal inspection of electrical equipment. All conductor materials (copper and aluminum pipes, rods and stripes), insulation materials, nylon clamps and components from sub suppliers are rigorously checked. We also monitor each step of the electrical pathway during production. Each TPL & TKL element is then high voltage tested in the manufacturer s laboratory. Netherlands KEMA laboratory certified TPL & TKL. 15 FIRE SAFETY FIRE SAFETY TPL & TKL are made of self e tinguishing materials. oth products have a very high re withstand. The corresponding test reports and re certificates are issued for them. Wall penetrations are fire safe. Openings, through which a current distributor runs, are lled with special non-combustible materials. OUR CORE BUSINESS We help you choose the optimal TPL /TKL solution for your project; We engineer the TPL & TKL components and ing systems; We produce, test and deliver hardware and software; Supervision/training or turnkey installation of your TPL /TKL distribution system. RTC-ELECTRO-M PROVIDING FIT AND FORGET SOLUTIONS TO ENABLE LOWEST LIFECYCLE COSTS
16 7330 Executive Way Frederick, MD A Phoenix Mecano Partner Company
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